CaCuP2O7 Riou D, Goreaud M Acta Crystallographica C46 (1990) 1191-1193 CaCuP2O7: a structure closely related to alpha-Ca2P2O7 _database_code_amcsd 0010150 5.2104 8.0574 12.344 90 91.356 90 P2_1/n atom x y z Biso Cu .79798 .14058 .11019 .503 Ca .2878 .32276 .27641 .673 P1 .7523 .5280 .16483 .40 P2 .3116 .2020 .98402 .42 O1 .6608 .3508 .1542 .66 O2 .6524 .3979 .4005 .63 O3 .9384 .1207 .2653 .64 O4 .7641 .1067 .4535 .69 O5 .4747 .0450 .2929 .79 O6 .0980 .3338 .4715 .65 O7 .2124 .1867 .0967 .72